Home / 478,917.07-718,167.39-137,285.26

Finding the Fourth Proportional to 478,917.07, 718,167.39 and 137,285.26

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Solution

The fourth proportional to 478,917.07, 718,167.39 and 137,285.26 is: 205,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,917.07 : 718,167.39 = 137,285.26 : x
  2. Step 2: Convert to fraction form
    478,917.07/718,167.39 = 137,285.26/x
  3. Step 3: Cross multiply
    478,917.07x = 718,167.39 × 137,285.26
  4. Step 4: Simplify right side
    478,917.07x = 98,593,796,859.67
  5. Step 5: Solve for x
    x = 98,593,796,859.67/478,917.07
  6. Step 6: Final answer
    x = 205,868.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.